IPv4 R&E Routing Table Report 23:05 GMT Sun 04 Sep, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 892240 Prefixes after maximum aggregation (per Origin AS): 339637 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438917 Number of IPv4 prefixes with a valid ROA: 348128 Number of IPv4 prefixes with an invalid ROA: 1360 Number of IPv4 prefixes with no ROA: 542752 Total ASes present in the Internet Routing Table: 73427 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63067 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10360 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 977 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 40131 Number of 32-bit ASNs visible in the Routing Table: 33229 Prefixes from 32-bit ASNs in the Routing Table: 158925 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3068002048 Equivalent to 182 /8s, 221 /16s and 255 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 300087 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230699 Total APNIC prefixes after maximum aggregation: 66857 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225846 Unique aggregates announced from the APNIC address blocks: 96502 APNIC Region origin ASes present in the Internet Routing Table: 12827 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3708 APNIC Region transit ASes present in the Internet Routing Table: 1748 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8130 Number of APNIC addresses announced to Internet: 772843520 Equivalent to 46 /8s, 16 /16s and 168 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 263432 Total ARIN prefixes after maximum aggregation: 120615 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263857 Unique aggregates announced from the ARIN address blocks: 127852 ARIN Region origin ASes present in the Internet Routing Table: 18998 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6937 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4587 Number of ARIN addresses announced to Internet: 1293549568 Equivalent to 77 /8s, 26 /16s and 0 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 252617 Total RIPE prefixes after maximum aggregation: 118218 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249719 Unique aggregates announced from the RIPE address blocks: 153244 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12067 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10785 Number of RIPE addresses announced to Internet: 717176832 Equivalent to 42 /8s, 191 /16s and 64 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 116132 Total LACNIC prefixes after maximum aggregation: 27668 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115791 Unique aggregates announced from the LACNIC address blocks: 48954 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2716 LACNIC Region transit ASes present in the Internet Routing Table: 2223 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8716 Number of LACNIC addresses announced to Internet: 176338944 Equivalent to 10 /8s, 130 /16s and 184 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 28383 Total AfriNIC prefixes after maximum aggregation: 5543 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36514 Unique aggregates announced from the AfriNIC address blocks: 11925 AfriNIC Region origin ASes present in the Internet Routing Table: 1676 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1011 Number of AfriNIC addresses announced to Internet: 107809536 Equivalent to 6 /8s, 109 /16s and 11 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2235 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 214 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6984 10425 2776 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3810 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3491 1803 2517 AKAMAI-AS, US 6327 3455 1319 63 SHAW, CA 749 3035 50728 2293 DNIC-AS-00749, US 30036 2607 370 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2531 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2359 4936 405 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6891 1730 144 UNI2-AS, ES 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3997 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3874 226 44 ALJAWWALSTC-AS, SA 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2602 251 1348 M247, GB 34984 2264 359 632 TELLCOM-AS, TR 58224 1762 929 510 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10912 3394 558 Uninet S.A. de C.V., MX 10620 3495 515 789 Telmex Colombia S.A., CO 11830 2340 369 64 Instituto Costarricense de Electricidad 13999 1978 321 507 Mega Cable, S.A. de C.V., MX 28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1273 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1051 180 462 Techtel LMDS Comunicaciones Interactiva 26615 980 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1601 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1000 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10912 3394 558 Uninet S.A. de C.V., MX 9808 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6984 10425 2776 AMAZON-02, US 12479 6891 1730 144 UNI2-AS, ES 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3997 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US 39891 3874 226 44 ALJAWWALSTC-AS, SA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9082 9035 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6984 4208 AMAZON-02, US 11492 4575 4025 CABLEONE, US 8551 3997 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4050 3856 AKAMAI-ASN1, NL 39891 3874 3830 ALJAWWALSTC-AS, SA 7552 3583 3563 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:38 /11:101 /12:298 /13:587 /14:1203 /15:2097 /16:13473 /17:8272 /18:13829 /19:24773 /20:43147 /21:50769 /22:107749 /23:95624 /24:530245 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5878 6891 UNI2-AS, ES 8151 4645 10912 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3456 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3265 3455 SHAW, CA 39891 3185 3874 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2829 3810 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2263 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1935 2:1030 3:162 4:5 5:3869 6:115 7:6 8:1547 9:1 11:172 12:1640 13:343 14:2358 15:249 16:46 17:360 18:213 20:244 21:4 22:188 23:5908 24:2421 25:6 27:2655 29:19 31:2414 32:90 34:7 35:89 36:1876 37:4478 38:3476 39:724 40:154 41:3934 42:1130 43:2211 44:288 45:16075 46:4161 47:300 49:1703 50:1941 51:112 52:1475 54:386 55:762 56:8 57:63 58:1722 59:1107 60:984 61:2287 62:2545 63:1916 64:5576 65:2304 66:4857 67:2978 68:1206 69:4142 70:1301 71:683 72:3023 74:2635 75:1406 76:579 77:2260 78:1913 79:3131 80:2065 81:1662 82:1489 83:1204 84:1372 85:2939 86:730 87:1907 88:1172 89:3424 90:556 91:7640 92:2047 93:2536 94:3534 95:3863 96:1307 97:351 98:1028 99:720 100:77 101:1295 102:2306 103:29773 104:4543 105:470 106:888 107:2540 108:868 109:4303 110:2000 111:3286 112:2051 113:1476 114:1482 115:1985 116:1915 117:2474 118:2323 119:1822 120:1765 121:1010 122:2510 123:2077 124:1536 125:2074 128:1172 129:1018 130:1000 131:2032 132:807 133:377 134:1931 135:299 136:861 137:872 138:2504 139:1510 140:944 141:1458 142:1332 143:1400 144:1197 145:344 146:1841 147:1500 148:2211 149:1804 150:863 151:1079 152:1873 153:466 154:3705 155:1451 156:1730 157:1282 158:1036 159:2187 160:2533 161:1326 162:3495 163:1390 164:1617 165:1646 166:778 167:1767 168:3793 169:868 170:4529 171:843 172:3329 173:3110 174:1021 175:1152 176:3606 177:4743 178:3579 179:2135 180:2365 181:3264 182:3192 183:1937 184:2364 185:19644 186:4566 187:3868 188:3972 189:3433 190:8979 191:1463 192:10964 193:8656 194:7096 195:5038 196:3038 197:2457 198:5940 199:6005 200:7556 201:5799 202:10113 203:10008 204:4501 205:3436 206:3704 207:3391 208:4034 209:4695 210:4152 211:2292 212:4022 213:3475 214:1116 215:66 216:6361 217:2632 218:1268 219:405 220:1753 221:945 222:660 223:1971 End of report